Finding the Fourth Proportional to 47,786.79, 65,927.37 and 30,789.68

Step by Step Solution

1. Step 1: Write the proportion equation
   47,786.79 : 65,927.37 = 30,789.68 : x
2. Step 2: Convert to fraction form
   47,786.79/65,927.37 = 30,789.68/x
3. Step 3: Cross multiply
   47,786.79x = 65,927.37 × 30,789.68
4. Step 4: Simplify right side
   47,786.79x = 2,029,882,471.59
5. Step 5: Solve for x
   x = 2,029,882,471.59/47,786.79
6. Step 6: Final answer
   x = 42,477.90